henrydagoat09 henrydagoat09
  • 13-12-2021
  • Mathematics
contestada

2x − 4y = -4 , 3x + 2y = 22 solve the system by elimination.

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150105939 150105939
  • 13-12-2021

Answer: 5, 7/2

Step-by-step explanation:

2x − 4y = -4

3x + 2y = 22

divide both sides of the equation by 2

 x − 2y = -2

3x + 2y = 22

Eliminate one variable by adding the equation;  sum the equations vertically to eliminate at least one variable

4x=20

Divides both sides by 4

x=5

Substitute  the given value of x into the equation 2x-4y = -4

2*5-4y =-4

solve the equation for y

y=7/2

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